Jock cup



FIG. 1 is a perspective view of a jock cup embodying my new design;

FIG. 2 is a front view of a jock cup embodying my design;

FIG. 3 is a rear view of a jock cup embodying my design; and,

FIG. 4 is a side view of a jock cup embodying my design, it being understood that the opposite side view is a mirror image thereof. 

The ornamental design for a jock cup, as shown and described. 